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PLSC Maths Basics

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The Primary School Leaving Examination (PSLE) is an annual national examination that is taken by

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$\displaystyle {1-\tan^2A \over 1+ \tan^2 A} 1+tan 2 A 1−tan 2 A $

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print("Hello World")

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Justify Content - This chapter begins with a discussion of angles and how they are measured. We next introduce the trigonometric functions by using ratios of sides of a right triangle. We then extend the discussion to the domains of the trigonometric functions to arbitrary angles and real numbers. The chapter concludes with a section on applied problems that use trigonometry ratios.

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